With minimal effort, you can clean your toilet in three minutes, tops. The key is an unlikely (though surprisingly effective) addition to your arsenal of cleaning supplies—Alka-Seltzer. Drop two tablets into the toilet bowl, then walk away, leaving the acidic effervescence to work its mysterious magic. When you return, it should only take a few swipes with the toilet brush to restore the porcelain to its pristine state. Flush, and you're all done.